Example usage for org.apache.commons.configuration AbstractConfiguration EVENT_CLEAR

Introduction

In this page you can find the example usage for org.apache.commons.configuration AbstractConfiguration EVENT_CLEAR.

Prototype

int EVENT_CLEAR

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Document

Constant for the clear configuration event type.

Usage

From source file:com.netflix.config.ExpandedConfigurationListenerAdapter.java

/**
 * {@inheritDoc}//from w  ww . j  a  v  a2 s.  c o  m
 * @see ConfigurationListener#configurationChanged(ConfigurationEvent)
 */
@SuppressWarnings("unchecked")
@Override
public void configurationChanged(final ConfigurationEvent event) {

    if (pauseListener) {
        return;
    }

    // Grab the event information. Some values may be null.
    final Object source = event.getSource();
    final String name = event.getPropertyName();
    final Object value = event.getPropertyValue();
    final boolean beforeUpdate = event.isBeforeUpdate();

    // Handle the different types.
    switch (event.getType()) {

    // Key identifies node where the Collection of nodes was added, or
    // null if it was at the root.
    case HierarchicalConfiguration.EVENT_ADD_NODES:
    case ConcurrentCompositeConfiguration.EVENT_CONFIGURATION_SOURCE_CHANGED:
        expandedListener.configSourceLoaded(source);
        break;

    // Key identifies the individual property that was added.
    case AbstractConfiguration.EVENT_ADD_PROPERTY:
        expandedListener.addProperty(source, name, value, beforeUpdate);
        break;

    // Entire configuration was cleared.
    case AbstractConfiguration.EVENT_CLEAR:
        expandedListener.clear(source, beforeUpdate);
        break;

    // Key identifies the single property that was cleared.
    case AbstractConfiguration.EVENT_CLEAR_PROPERTY:
        expandedListener.clearProperty(source, name, value, beforeUpdate);
        break;

    // Key identifies the nodes that were removed, along with all its
    // children. Value after update is the List of nodes that were
    // cleared. Before the update, the value is null.
    case HierarchicalConfiguration.EVENT_CLEAR_TREE:
        // Ignore this. We rewrote the clearTree() method below.
        break;

    // The current property set is invalid.
    case CombinedConfiguration.EVENT_COMBINED_INVALIDATE:
        //listener.configSourceLoaded(source);
        break;

    // Key identifies the property that was read.
    case AbstractConfiguration.EVENT_READ_PROPERTY:
        break;

    // Key identifies the property that was set.
    case AbstractConfiguration.EVENT_SET_PROPERTY:
        expandedListener.setProperty(source, name, value, beforeUpdate);
        break;

    default:
        break;
    }
}

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From source file:com.netflix.config.ConcurrentMapConfigurationTest.java

@Test
public void testListeners() {
    ConcurrentMapConfiguration conf = new ConcurrentMapConfiguration();
    final AtomicReference<ConfigurationEvent> eventRef = new AtomicReference<ConfigurationEvent>();
    conf.addConfigurationListener(new ConfigurationListener() {
        @Override//  w ww.j  av a  2 s  . c o  m
        public void configurationChanged(ConfigurationEvent arg0) {
            eventRef.set(arg0);
        }

    });
    conf.addProperty("key", "1");
    assertEquals(1, conf.getInt("key"));
    ConfigurationEvent event = eventRef.get();
    assertEquals("key", event.getPropertyName());
    assertEquals("1", event.getPropertyValue());
    assertTrue(conf == event.getSource());
    assertEquals(AbstractConfiguration.EVENT_ADD_PROPERTY, event.getType());
    conf.setProperty("key", "2");
    event = eventRef.get();
    assertEquals("key", event.getPropertyName());
    assertEquals("2", event.getPropertyValue());
    assertTrue(conf == event.getSource());
    assertEquals(AbstractConfiguration.EVENT_SET_PROPERTY, event.getType());
    conf.clearProperty("key");
    event = eventRef.get();
    assertEquals("key", event.getPropertyName());
    assertNull(event.getPropertyValue());
    assertTrue(conf == event.getSource());
    assertEquals(AbstractConfiguration.EVENT_CLEAR_PROPERTY, event.getType());
    conf.clear();
    assertFalse(conf.getKeys().hasNext());
    event = eventRef.get();
    assertTrue(conf == event.getSource());
    assertEquals(AbstractConfiguration.EVENT_CLEAR, event.getType());
}

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From source file:com.jkoolcloud.tnt4j.repository.FileTokenRepository.java

@Override
public void configurationChanged(ConfigurationEvent event) {
    if (event.isBeforeUpdate())
        return;/* ww w. j a  v  a 2 s  . com*/
    logger.log(OpLevel.DEBUG, "configurationChanged: type={0}, {1}:{2}", event.getType(),
            event.getPropertyName(), event.getPropertyValue());
    switch (event.getType()) {
    case AbstractConfiguration.EVENT_ADD_PROPERTY:
        repListener.repositoryChanged(new TokenRepositoryEvent(event.getSource(), TokenRepository.EVENT_ADD_KEY,
                event.getPropertyName(), event.getPropertyValue(), null));
        break;
    case AbstractConfiguration.EVENT_SET_PROPERTY:
        repListener.repositoryChanged(new TokenRepositoryEvent(event.getSource(), TokenRepository.EVENT_SET_KEY,
                event.getPropertyName(), event.getPropertyValue(), null));
        break;
    case AbstractConfiguration.EVENT_CLEAR_PROPERTY:
        repListener.repositoryChanged(new TokenRepositoryEvent(event.getSource(),
                TokenRepository.EVENT_CLEAR_KEY, event.getPropertyName(), event.getPropertyValue(), null));
        break;
    case AbstractConfiguration.EVENT_CLEAR:
        repListener.repositoryChanged(new TokenRepositoryEvent(event.getSource(), TokenRepository.EVENT_CLEAR,
                event.getPropertyName(), event.getPropertyValue(), null));
        break;
    case AbstractFileConfiguration.EVENT_RELOAD:
        repListener.repositoryChanged(new TokenRepositoryEvent(event.getSource(), TokenRepository.EVENT_RELOAD,
                event.getPropertyName(), event.getPropertyValue(), null));
        break;
    }
}

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